Review Question - QID 213808

A 54-year-old man with a history of hypertension presents to his primary care provider for a routine follow-up. He states that over the past several weeks, he has noticed dull abdominal aching along with constipation. Additionally, he has noticed increased thirst. He has not noticed any acute pain, weight loss, and has not had any bloody bowel movements. The patient’s temperature is 98.2°F (36.8°C), blood pressure is 126/88 mmHg, pulse is 86/min, and respirations are 12/min. The patient is alert and oriented. Breath sounds are clear to auscultation bilaterally in all fields. There is no tenderness to palpation on abdominal exam, and bowel sounds are present. On neck exam, there is a palpable mass in the left neck that is nontender to palpation. No cervical nodes are appreciated. Which of the following is another finding associated with this patient's condition?